FNUS75 KMSO 152358
FWSMSO

SPOT FORECAST FOR LOST RX
NATIONAL WEATHER SERVICE MISSOULA MT
558 PM MDT TUE SEP 15 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON SEPTEMBER 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...THE UPPER LEVEL FLOW WILL BECOME SOUTHERLY WEDNESDAY
AS THE RIDGE OF HIGH PRESSURE SHIFTS EAST OF THE DIVIDE. THE
ATMOSPHERE WILL BECOME MORE UNSTABLE...BUT MOISTURE APPEARS
LACKING FOR ANY SHOWER ACTIVITY...JUST SOME AFTERNOON CUMULUS.

ON THURSDAY...A WEATHER SYSTEM WILL CLIP NORTHWEST MONTANA. THIS
FEATURE WILL OFFER A CHANCE OF SHOWERS...INCREASED WINDS...AND
COOLER TEMPS.

.TODAY (WEDNESDAY)...

SKY/WEATHER.........SUNNY THEN BECOMING PARTLY CLOUDY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....82-85 AT BOTTOM...AND 75-78 TOP.
MIN HUMIDITY........18-23 PERCENT BOTTOM...AND 25-30 PERCENT TOP.
WIND (20 FT)........WEST WINDS 2-4 MPH VALLEY BOTTOM. MIDSLOPE TO
                    TOP OF FIRE...SOUTHWEST 3-6 MPH WITH OCCASIONAL
                    GUSTS TO 12 MPH.
MIXING HEIGHT.......4000 FT AGL.
MIXING WINDS........SOUTH 8-12 MPH.

.TONIGHT (WEDNESDAY NIGHT)...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....45-50.
MAX HUMIDITY........53-58 PERCENT.
WIND (20 FT)........DOWNSLOPE 2-3 MPH.
MIXING HEIGHT.......700 FT AGL.
MIXING WINDS........SOUTHWEST 5 MPH.

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
                    CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
CWR.................20 PERCENT.
MAX TEMPERATURE.....71-76 BOTTOM...AND 60-65 TOP.
MIN HUMIDITY........26-31 PERCENT BOTTOM...AND 40-45 PERCENT TOP.
WIND (20 FT)........VALLEY BOTTOM...VARIABLE 2-5 MPH BECOMING WEST
                    8-12 MPH IN THE AFTERNOON.
                    MIDSLOPE TO RIDGETOP...SOUTHWEST 10-15 MPH WITH
                    GUSTS UP TO 20 MPH.
MIXING HEIGHT.......6000 FT AGL.
MIXING WINDS........SOUTHWEST 12-20 MPH.

$$
FORECASTER...MSJ
REQUESTED BY...BRETT PARGMAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20090916.LOSTR.01/MSO